F. W.  Davis, Stoms, D. M., Church, R. L., Okin, W. J., and Johnson, K. N., ?Selecting biodiversity management areas?, in Sierra Nevada Ecosystem Project: Final Report to Congress, vol. II, Assessments and scientific basis for management options, Davis, California: University of California, Centers for Water and Wildlands Resources, 1996, pp. 1503-1528.

F. W.  Davis and Stoms, D. M., ?A spatial analytical hierarchy for Gap Analysis?, in Gap Analysis: A Landscape Approach to Biodiversity Planning, J. M.  Scott, Tear, T. H., and Davis, F. W., Eds. Bethesda, MD: American Society for Photogrammetry and Remote Sensing, 1996, pp. 15-24.